Home / 741,882.48-1,023,800.76-402,356.40

Finding the Fourth Proportional to 741,882.48, 1,023,800.76 and 402,356.40

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Solution

The fourth proportional to 741,882.48, 1,023,800.76 and 402,356.40 is: 555,253.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,882.48 : 1,023,800.76 = 402,356.40 : x
  2. Step 2: Convert to fraction form
    741,882.48/1,023,800.76 = 402,356.40/x
  3. Step 3: Cross multiply
    741,882.48x = 1,023,800.76 × 402,356.40
  4. Step 4: Simplify right side
    741,882.48x = 411,932,788,110.86
  5. Step 5: Solve for x
    x = 411,932,788,110.86/741,882.48
  6. Step 6: Final answer
    x = 555,253.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.